MS3116J14-19S is a military-specification circular connector plug conforming to MIL-DTL-26482 Series I standards. It features a size 14 aluminum alloy shell with 19 contacts arranged in a high-density configuration, utilizing crimp contact technology for reliable electrical connections. The connector incorporates an environmental endbell with cable jacket gland seal (J-style) to provide protection against moisture and contaminants in harsh operating environments. The bayonet coupling mechanism enables quick-disconnect mating and unmating, making it suitable for applications requiring frequent connection cycles. This connector is interchangeable with ITT Cannon and Souriau equivalents, and is widely used in power generators, industrial machinery, telecommunications, sensors, and mobile equipment where rugged, reliable connections are essential.